Don't throw out your empty bottles, transform your colored bottles into multicolored lamps with this rechargeable light. The bottle lights are shaped like a cork with a super bright LED that recharges via USB, for indoor or outdoor use, no plugs needed! Recharges in 1 hour & lights for 3 hours once charged. Twist the light section of the cork to turn on the beautiful glowing light! A safe and more reliable alternative to candles - create ambiance without a fire hazard.